Journal
BRAIN AND COGNITION
Volume 56, Issue 3, Pages 286-292Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bandc.2004.07.003
Keywords
executive function; Tower of London; Tower of Hanoi; working memory; inhibition; fluid intelligence; matrix reasoning
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The contributions of working memory, inhibition, and fluid intelligence to performance on the Tower of Hanoi (TOH) and Tower of London (TOL) were examined in 85 undergraduate participants. All three factors accounted for significant variance on the TOH, but only fluid intelligence accounted for significant variance on the TOL. When the contribution of fluid intelligence was accounted for, working memory and inhibition continued to account for significant variance on the TOH. These findings support Duncan, Burgess, and Emslie's (1995) argument that fluid intelligence contributes to executive functioning, but also show that the executive processes elicited by tasks vary according to task structure. (C) 2004 Elsevier Inc. All rights reserved.
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